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// SPDX-License-Identifier: LGPL-2.1-or-later
/*
* libfdt - Flat Device Tree manipulation
* Testcase for fdt_node_offset_by_phandle()
* Copyright (C) 2006 David Gibson, IBM Corporation.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <stdarg.h>
#include <libfdt.h>
#include "tests.h"
#include "testdata.h"
static void check_search(void *fdt, uint32_t phandle, int target)
{
int offset;
offset = fdt_node_offset_by_phandle(fdt, phandle);
if (offset != target)
FAIL("fdt_node_offset_by_phandle(0x%x) returns %d "
"instead of %d", phandle, offset, target);
}
int main(int argc, char *argv[])
{
void *fdt;
int subnode2_offset, subsubnode2_offset;
test_init(argc, argv);
fdt = load_blob_arg(argc, argv);
subnode2_offset = fdt_path_offset(fdt, "/subnode@2");
subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode@0");
if ((subnode2_offset < 0) || (subsubnode2_offset < 0))
FAIL("Can't find required nodes");
check_search(fdt, PHANDLE_1, subnode2_offset);
check_search(fdt, PHANDLE_2, subsubnode2_offset);
check_search(fdt, ~PHANDLE_1, -FDT_ERR_NOTFOUND);
check_search(fdt, 0, -FDT_ERR_BADPHANDLE);
check_search(fdt, -1, -FDT_ERR_BADPHANDLE);
PASS();
}
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